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Giatec Scientific Inc.

13

Test Results

x

When the pouring date and time are set, and an

appropriate mix is selected, the test results will appear on

the screen.

Not e:

You can change the display units between metric and

imperial f rom the app setting section shown in Step 8.

9

Strength

My Mix

My Mix

Maturity

Min / Max

Temperature

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Summary of Contents for SmartRock

Page 1: ...User Guide SmartRock W i r e l e s s C o n c r e t e Q u a l i t y C o n t r o l Smart Concrete Testing Technologies ...

Page 2: ......

Page 3: ...SmartRock Activation wires Temperature Sensor Wireless Transmitter Logger ...

Page 4: ...4 Quick Start 1 Tag sensor 2 Install sensor 3 Connect 4 Obtain results ...

Page 5: ... or the Apple App Store search for Giatec SmartRock Download and install the latest version of the app on your device x After the installation is complete click on the Giatec SmartRock icon to launch the app Note If you have previously installed the app skip to the next step 1 ...

Page 6: ... includes the following main functions Tagging used to assign a Name or ID to a sensor Connect used to wirelessly connect to a previously tagged sensor View where the user can see the plots of downloaded data from the sensor Note Make sure the Bluetooth on your phone is turned on 2 General Settings Navigation Pane ...

Page 7: ...hown in the figure below Twist the exposed wires around the reinforcing bar this will also turn on the sensor and ensure that the wires are not loose Tip 1 Connection wires are delicate Please handle with care when connecting disconnecting these wires Tip 2 In order to maximize the wireless antenna range do concrete surface This will increase the range of sensor visibility especially in the early ...

Page 8: ... page x on the screen Tip You should in the office before using them in concrete For this you need to activate deactivate them one by one in the office and tag them on the app as they appear on the screen separately You can write the tag name on the sensor label in order to make the field installation process easier 4 ...

Page 9: ...e sensor in the Sensor Tag field x After creating the sensor tag the app will show the list of tagged sensors in the connect page Note Previously tagged sensors will not appear in the Tagging tab They can be accessed from the Connect tab 4 1 Enter Tag name 2 Tap to create ...

Page 10: ...nsor up to 8 meters if the sensor is installed within 5cm from the concrete surface and wait for the sensor to establish a communication with the smartphone This can be verified by checking the status of the Bluetooth signal on the right side of the sensor tag When the sensor is found the gray signal icon turns into blue 5 ...

Page 11: ...connect to the sensor x To find a previously tagged sensor use smart filtering by x The list of sensors can be refreshed by dragging down the list while pressing on the screen x Tip You can delete a tag by long pressing on the tag name and following the options on the popup window 5 ...

Page 12: ...emperature value will be transmitted to the smartphone and displayed on the screen x In order to see the maturity index and predicted strength of concrete the user needs to enter the pouring time and select the appropriate strength maturity relationship known as mix calibration x You can still view the temperature history by clicking on the View tab 6 ...

Page 13: ...g Time x Pouring time is the time that concrete is actually placed in the formwork and came into contact with the temperature sensor Enter the pouring date and the time Follow the procedure to set the date and time 7 a Android b iOS ...

Page 14: ...mixture x To define a new Calibrated mix go to the settings menu the home screen and tap on the calibrated mixes x Click on to define a new calibrated mix x To define a new mix the user needs to know the strength maturity relationship This can be derived according to the procedure described in the ASTM C1074 x A common practice is to use the Nurse Saul linear relationship between the strength and ...

Page 15: ...ained in the lab prior to field work Datum Temperature Strength at certain ages e g 1 3 7 14 and 28 days Temperature history of concrete cured at room temperature measured at certain time intervals minimum of 30 minutes for the first 48 hours and 60 minutes afterwards The area under the temperature curve is defined as the maturity index 8 ...

Page 16: ...ar equation in the app The intercept a and the slope b are calculated by the app for the input data set These values will be used to predict the strength of in place concrete x Enter the datum temperature and the data for the strength maturity relationship When you are done tap on Create The mix will be added to the list of available mixes 8 ...

Page 17: ...e and time are set and an appropriate mix is selected the test results will appear on the screen Note You can change the display units between metric and imperial from the app setting section shown in Step 8 9 Strength My Mix My Mix Maturity Min Max Temperature ...

Page 18: ...ength will be illustrated as charts a b c Temperature Time Maturity Index Time Strength Time x Click on any point on the chart to see the temperature maturity index and strength values x You can pinch and zoom across the chart to see the details x The pouring time will be displayed as a red dash line x The period before pouring time is shaded in green 10 ...

Page 19: ... the test results on both iOS and Android Click on save share button and a dialog box will help you choose saving or sharing options on your device a Save or Share test results b Select save share option x The results will be saved as comma separated values csv format that can be opened by Microsoft Excel 11 Save Share ...

Page 20: ...ed that the strength estimated by the maturity method using the SmartRock mobile app is verified by other test methods before performing any critical operations As per ASTM C1074 Section 9 5 4 it is required to cast field molded cylinders and subject them to standard curing condition in order to compare the maturity index and strength of these specimens with those estimated in the field If the dif...

Page 21: ...Giatec Scientific Inc 17 Notes ...

Page 22: ...18 Notes ...

Page 23: ...Printed in CANADA V 3 0 ...

Page 24: ...20 Printed in Canada V 3 0 ...

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